Home / 118,285.20-177,427.80-56,077.20

Finding the Fourth Proportional to 118,285.20, 177,427.80 and 56,077.20

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Solution

The fourth proportional to 118,285.20, 177,427.80 and 56,077.20 is: 84,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,285.20 : 177,427.80 = 56,077.20 : x
  2. Step 2: Convert to fraction form
    118,285.20/177,427.80 = 56,077.20/x
  3. Step 3: Cross multiply
    118,285.20x = 177,427.80 × 56,077.20
  4. Step 4: Simplify right side
    118,285.20x = 9,949,654,226.16
  5. Step 5: Solve for x
    x = 9,949,654,226.16/118,285.20
  6. Step 6: Final answer
    x = 84,115.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.